Water-in-Fuel Draining

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Fuel Filter

Courtesy of GENERAL MOTORS CORP.

Attach a small piece of hose to the drain onto the water in fuel sensor.
Place the other end of the piece of hose into an approved fuel-resistant container.

Fig 2: Water-In-Fuel Drain Cock

Courtesy of GENERAL MOTORS CORP.

Open the drain 3 or 4 turns or until the water contaminated fuel seeps from the drain.

Fig 3: View Of Priming Pump

Courtesy of GENERAL MOTORS CORP.

Operate the priming pump (1) until only diesel fuel is visible. Allow the pump to fully return upward between pushes.
Tighten the drain.
Remove the container and hose.